article{
    height: 1200px;
    background-color: #f7f6f4;
    margin: -2px auto 0 auto;
}
.content{
    width: 975px;
    height: 1200px;
    margin: 0 auto;
    background: #f7f6f4;
}
.first{
    width: 975px;
    height: 300px;
    margin: 0 auto;
}
.first_img_1{
    width: 87px;
    height: 300px;
    float: left;
}
.first_text{
    width: 385px;
    height: 100px;
    padding-top: 70px;
    margin-left: 115px;
    font-size: 15px;
}
.first_img_2{
    width: 455px;
    height: 300px;
    margin-top:-170px;
    margin-left: 518px;
}


.second{
    width: 975px;
    height: 300px;
    margin: 0 auto;
}
.second_img_1{
    width: 455px;
    height: 300px;
    float: left;
}
.second_text{
    width:400px;
    height: 60px;
    padding-top: 70px;
    margin-left: 490px;
    font-size: 15px;
}
.second_img_2{
    width: 87px;
    height: 300px;
    margin-top:-130px;
    margin-left: 888px;
}


.third{
    width: 975px;
    height: 300px;
    margin: 0 auto;
}
.third_img_1{
    width: 87px;
    height: 300px;
    float: left;
}
.third_text{
    width: 385px;
    height: 100px;
    padding-top: 70px;
    margin-left: 110px;
    font-size: 15px;
}
.third_img_2{
    width: 455px;
    height: 300px;
    margin-top:-170px;
    margin-left: 520px;
}



.fourth{
    width: 975px;
    height: 300px;
    margin: 0 auto;
}
.fourth_img_1{
    width: 455px;
    height: 300px;
    float: left;
}
.fourth_text{
    width:400px;
    height: 60px;
    padding-top: 70px;
    margin-left: 490px;
    font-size: 15px;
}
.fourth_img_2{
    width: 87px;
    height: 300px;
    margin-top:-130px;
    margin-left: 888px;
}
